Merge branch 'jl/maint-1.7.10-recurse-submodules-with-symlink'

When "git submodule add" clones a submodule repository, it can get
confused where to store the resulting submodule repository in the
superproject's .git/ directory when there is a symbolic link in the
path to the current directory.

* jl/maint-1.7.10-recurse-submodules-with-symlink:
submodules: don't stumble over symbolic links when cloning recursively

diff --git a/git-submodule.sh b/git-submodule.sh
index 5629d875e6a0c0a390d046f28bf2d768116bf974..dba4d39e1fd3e971336e0d85f24c114c29c4d1fd 100755 (executable)
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -186,8 +186,10 @@ module_clone()
                die "$(eval_gettext "Clone of '\$url' into submodule path '\$sm_path' failed")"
        fi
 
-       a=$(cd "$gitdir" && pwd)/
-       b=$(cd "$sm_path" && pwd)/
+       # We already are at the root of the work tree but cd_to_toplevel will
+       # resolve any symlinks that might be present in $PWD
+       a=$(cd_to_toplevel && cd "$gitdir" && pwd)/
+       b=$(cd_to_toplevel && cd "$sm_path" && pwd)/
        # normalize Windows-style absolute paths to POSIX-style absolute paths
        case $a in [a-zA-Z]:/*) a=/${a%%:*}${a#*:} ;; esac
        case $b in [a-zA-Z]:/*) b=/${b%%:*}${b#*:} ;; esac

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index dcb195b4cf67af3cf5ce94d0f5ca75bf94664b9a..ce61d4c0fa3d916757e09224ed79bc191fb0cb3d 100755 (executable)
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -636,4 +636,17 @@ test_expect_success 'submodule update properly revives a moved submodule' '
        )
 '
 
+test_expect_success SYMLINKS 'submodule update can handle symbolic links in pwd' '
+       mkdir -p linked/dir &&
+       ln -s linked/dir linkto &&
+       (
+               cd linkto &&
+               git clone "$TRASH_DIRECTORY"/super_update_r2 super &&
+               (
+                       cd super &&
+                       git submodule update --init --recursive
+               )
+       )
+'
+
 test_done